Double Stranded DNA Binding Stapled Peptides: An Emerging Tool for Transcriptional Regulation

Author:

Paquette André R.1,Boddy Christopher N.1ORCID

Affiliation:

1. Department of Chemistry and Biomolecular Sciences The University of Ottawa Ottawa ON K1N 6N5 Canada

Abstract

AbstractStapled peptides have rapidly established themselves as a powerful technique to mimic α‐helical interactions with a short peptide sequence. There are many examples of stapled peptides that successfully disrupt α‐helix‐mediated protein‐protein interactions, with an example currently in clinical trials. DNA‐protein interactions are also often mediated by α‐helices and are involved in all transcriptional regulation processes. Unlike DNA‐binding small molecules, which typically lack DNA sequence selectivity, DNA‐binding proteins bind with high affinity and high selectivity. These are ideal candidates for the design DNA‐binding stapled peptides. Despite the parallel to protein‐protein interaction disrupting stapled peptides and the need for sequence specific DNA binders, there are very few DNA‐binding stapled peptides. In this review we examine all the known DNA‐binding stapled peptides. Their design concepts are compared to stapled peptides that disrupt protein‐protein interactions and based on the few examples in the literature, DNA‐binding stapled peptide trends are discussed.

Publisher

Wiley

Subject

Organic Chemistry,Molecular Biology,Molecular Medicine,Biochemistry

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